Ultrasonic alarm for vehicles



FIG. 1 is a front elevational view of an ultrasonic alarm for vehicles showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top, front, right side perspective view thereof;

FIG. 6 is a right side elevational view thereof on an enlarged scale, the left side being a mirror image. 

The ornamental design of an ultrasonic alarm for vehicles, as shown and described. 